Not exactly. Mudguard, which is mainly the outer panel of the car body covering the wheels. The shape and position of this part on the old car body are a bit like bird wings, so it is called fender. The butt welding of the rear fender is 20cm, which is generally not considered as an accident car. The main reason is that the fender needs to be repaired by sheet metal, and it is generally slightly rubbed. Generally speaking, this kind of accident will not hurt the inner layer of the fender, and it does not need to be replaced during maintenance, so it is not an accident car. The rear fender and the roof are welded together, so the rear fender also belongs to the body frame. If the rear fender is cut, this situation belongs to an accident car.